(PDF) Hydrogen Recovery from Coke Oven Gas.
In this sense, the hydrogen content of coke oven gas (COG) has positioned it as a promising source toward a hydrogen-based economy which could lead to economic and environmental benefits in the ...
Coke Oven Gas Processing Equipment
Coke Oven Emissions
Condensed coke oven emissions are a brownish, thick liquid or semisolid with a naphthalene-like odor, while uncondensed coke oven emissions are vapors that escape when the ovens are changed and emptied. (2) The odor threshold for coke oven emissions is not available. The actual chemical content of the emissions depends on the process …
DRI Production Using Coke Oven Gas (COG): Test Results of …
Coke oven gas (COG) is a byproduct of the coke-making process consisting of a complex mixture of typically 55 % H2, 7 % CO, 25 % CH4 and small amounts of CO2, H2O, heavy tars and volatile hydrocarbons. ... All together, this equipment grouping including gas compression, preheating and reacting makes up what has become known as the …
Coke Manufacturing
Coke oven gas is cooled, and by-products are recovered. Flushing liquor, formed from the cool-ing of coke oven gas, and liquor from primary coolers contain tar and are sent to a tar decanter. An electrostatic precipitator is used to remove more tar from coke oven gas. The tar is then sent to storage. Ammonia liquor is also separated
Using Modern Coke Oven Technology at Steel
same processing units. Therefore, it is sufficient for the general understanding to show the gas flow, the flow of utilities and the ... The raw coke oven gas evacuated from the gas collecting main of the new batteries will be exhausted from the pusher side of the ovens via the down comer to the condensation plant by one separate gas pipeline ...
Coke Oven Gas Generation and Usage – IspatGuru
Saturated raw gas coming from the coke oven battery contains around 46 % to 48 % water vapour. Other component of raw gas contains hydrogen (H2), methane (CH4), nitrogen (N2), carbon monoxide (CO), carbon dioxide (CO2), high paraffins and unsaturated hydro-carbons (ethane, propane etc.), and oxygen (O2) etc. Raw coke oven gas also contains …
Technology-environment-economy assessment of high
Coke oven gas (COG) is a by-product in the coal coking industry and a kind of combustible gas that is produced during high-temperature pyrolysis of coking coal [7]. Typically, 300–350 m 3 of COG is associated with one ton of coke, with physicochemical properties in the temperature range 700–800 °C, density range 0.4–0.5 kg/m 3, and ...
Coke oven gas production | Alfa Laval
Converting raw coke oven gas into a refined fuel using the most environmentally friendly and economical methods possible requires energy-efficient processes to reduce …
Coke Oven Emissions
Coke oven emissions come from large ovens that are used to heat coal to produce coke, which is used to manufacture iron and steel. The emissions are complex mixtures of dust, vapors, and gases that typically include carcinogens such as cadmium and arsenic. Chemicals recovered from coke oven emissions are used as raw materials for …
Industrial perspective of the cokemaking technologies
Worldwide, the cokemaking process has remained more or less unchanged for over 100 years, and metallurgical coke is produced in recovery and nonrecovery coke ovens by using top gravity and stamp charging and a wide range of coal bases.As BFs have been operated with coke, it has been urged globally to reduce the coke cost more …
Coke Oven
Coke Oven Emissions. F.F. Farris, in Encyclopedia of Toxicology (Third Edition), 2014 Abstract. Coke oven emissions are the volatile products that are released from bituminous coal during its conversion to coke in high temperature ovens in the absence of air. These emissions arise from the noncarbonaceous materials present in …
Coke oven gas: Availability, properties, purification, and utilization
Coke oven gas (COG), sometimes simply called "coke gas," is a by-product of the coke-making process, where volatile coal matter is generated as COG, leaving carbon intensive coke behind. ... Promising technologies for processing coke-oven gas at Russian enterprises. Coke Chem, 51 (2008), pp. 62-67. Google Scholar [36]
Some Features of Chinese Coke Plants: Report by a …
The deep processing of coke oven gas to obtain hydrogen, methane and ethanol, and glycols warrants further economic analysis for its application in Russia. However, in China, it is profitable. ... Overall, the equipment available at Chinese coke plants is at a higher level than that at Russian plants. Not only advanced Russian and …
Coke oven gas plant | Alfa Laval
Coke oven gas is an abundant by-product of coverting coal into coke used in steel production. But the impurities it contains make it unsuitable for use as fuel or feedstock. ... Alfa Laval has highly efficient equipment to handle the task. For direct primary cooling systems, Alfa Laval spiral heat exchangers easily clean dirty cooling water ...
Hydrogen Recovery from Coke Oven Gas. Comparative …
The recovery of energy and valuable compounds from exhaust gases in the iron and steel industry deserves special attention due to the large power consumption and CO2 emissions of the sector. In this sense, the hydrogen content of coke oven gas (COG) has positioned it as a promising source toward a hydrogen-based economy which could …
Coke Plant Technologies
Coke oven gas treatment Condensation and tar separation removal and treating of by-products ... plants and systems for mining, extraction, preparation, processing or transshipment of commodities. With many years of experience in the EPC business, we offer our customers concepts, ... equipment, oven door design and every individual
Coke Oven
A Coke Oven is a 3x3x3 hollow cube. The raw materials are x105 Clay & x175 Sand, which make x104 Coke Oven Brick (items) with one left over. Requires: x26 Coke Oven Brick (block) Usage. You can use the Coke Oven to produce Charcoal from logs and Coal Coke from Coal. Charcoal cannot be turned into Coal Coke. Wood --> …
Vertical Coke Ovens
Vertical coke ovens are universal units for the pyrolysis of a diverse range of different feedstocks. Even low-grade feedstocks such as bituminous coal, lean coal, gas coal, …
Coke Oven Gas Processing Equipment
COKE-OVEN GAS PROCESSING EQUIPMENT . 1 INTRODUCTION. On producing coke by coking coal in batteries, by-products are generated and taken away from batteries in …
Composition of Deposits from Coke Oven Gas Lines
The properties of deposits in equipment within the machine department (the gas injection machine) and the pipeline delivering coke oven gas are studied, and the process by which they are formed is considered. As an example, attention focuses on the shop for capture and processing of coking products at Magnitogorsk Iron and Steel …
Coke Oven Gas Processing Equipment
ZVU Engineering a.s., Engineering & Contracting Company, COKE OVEN GAS PROCESSING EQUIPMENT Page 5 Project start/finish Customer/Country Subject Scope of Supply Number of Pieces/ Dimensions/ Material/ Pressure/ Temperature 11/2004 2/2006 VAIF Finland Ltd. Finland Revamping and intensification of coke oven gas treating plant
Coke Oven Gas, its Characteristics and Safety Requirements
This stream of flushing liquor flows under gravity into the suction main along with the raw coke oven gas. The raw coke oven gas and the flushing liquor are separated using a drain pot (the down comer) in the suction main. The flushing liquor and the raw coke oven gas then flow separately to the byproduct plant for treatment. Composition of ...
What Is Coke? From Coal to Coke
Once the coal is loaded into the COKE oven, the next step is levelling and sealing. A special leveller arm is activated after the Larry car has completed its charging process. This delicate mechanism gently smooths the coal pile now inside the COKE oven. This step helps ensure the proper COKE oven gas (COG) flow during the next heating …
Overcoming Coke-Oven Gas Measurement Problems
A byproduct from the coke production mill, coke-oven gas is used as the main fuel for rolling mill ovens. The gas contains a number of problem constituents such as naptha, ammonium hydrate and tar. Learn how a Swedish company used a V-Cone flowmeter to overcome two primary problems in the measurement of coke-oven gas.
How a Coke Plant Works
The creation of coke and the purification of gas are performed completely automated. Coke makers use a mix of coal to improve the quality of coke they create. A high-quality coal does not generate high pressure on the coke oven, and they also shrink enough so that they are easily removed from the coke oven. The properties of coke are …
Coke Oven Gas
Coke Oven Gas. Coke oven gas refers to the purified and pressurized gas derived from the coke-making process, which is used as a feedstock for manufacturing methanol. ... Thus the feedstock ratio is defined as the ratio of the processing capacity of the coking coal to the gasification coal, ... Development of COG reforming technologies ...
Steelmaking: The Coke Oven By-Product Plant
l Duties of the by-product plant The by-product plant gas train
COKE OVEN GAS TREATMENT TAR, LIQUOR, AMMONIA …
THE COKE OVEN MANAGERS' YEAR-BOOK 222 GENERAL When producing coke by coal carbonisation a large volume of gas is produced; this gas is treated in the by-product plant to give a clean fuel gas
AP 42 12.2 Coke Production
Approximately 40 percent of cleaned oven gas (after the removal of its byproducts) is used to heat the coke ovens. The rest is either used in other production processes related to steel production or sold. Coke oven gas is the most common fuel for underfiring coke ovens. A typical coke manufacturing process is shown schematically in Figure 12.2 ...
Inhibiting deposits in coke oven gas processing equipment
Method of inhibiting deposits in coke oven gas processing equipment WO2013155679A1 (en) * 2012-04-18: 2013-10-24: General Electric Company: A method to treat flushing liquor systems in coke plants WO2015066613A1 (en) * 2013-11-01: 2015-05-07: Chemtreat, Inc. Methods for reducing surface fouling in fuel production systems ...
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